Panties Coming Down
There are some who think making her drop her panties is the sexiest part of the spanking. This panties-coming-down sequence is an argument for the proposition:
Artist is Galhound, aka Shirow Masamune.
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Spanking Blog: Adult Erotic Spanking At Its Best
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Thanks to differences in the shape of their buttocks, they do not all expose their genitalia to the same degree, even though they have all dropped their panties and bent over. So each of them is wondering whether it is she who is drawing the most attention of the man with the flexible paddle.